[Bug 1448520] Re: Hung on details for outdated installs

[Brian Murray]

This is due to the php5 ppa you have enabled which provides package
version numbers for utopic greater than those that exist for vivid, so
the release upgrader doesn't know how to proceed.

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https://bugs.launchpad.net/bugs/1448520

Title:
  Hung on details for outdated installs

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Restarted: sudo do-release-upgrade

  ERROR:

  Checking package manager
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  Building data structures... Done 

  Calculating the changes

  Calculating the changes

  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

  This can be caused by: 
  * Upgrading to a pre-release version of Ubuntu 
  * Running the current pre-release version of Ubuntu 
  * Unofficial software packages not provided by Ubuntu 

  If none of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. 

  
  Restoring original system state

  gg-fix at ubuntu:~$ lsb_release -rd
  Description:	Ubuntu 14.10
  Release:	14.10

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubuntu-release-upgrader-core 1:14.10.10
  ProcVersionSignature: Ubuntu 3.13.0-51.84-generic 3.13.11-ckt18
  Uname: Linux 3.13.0-51-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8.4
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sat Apr 25 11:30:38 2015
  InstallationDate: Installed on 2015-01-05 (109 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to utopic on 2015-04-25 (0 days ago)

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